Unreal Engine Issues

Crash when using 'DumpLightmapSizeOnDisk' Console Command

A crash occurs when using the 'DumpLightMapSizeOnDisk' in the Console Command. ...

World Position Offset causing Cracks in Meshes on certain iOS Devices

When using World Position Offset and pushing verts of a mesh, cracks appear on the surface using WPO when deployed to an certain iOS devices. I used the Mobile Previewer to compare results to how t ...

Linux: async loading code crashes when memory pooling is enabled

The reasons is a bad interaction between FIND_MEMORY_STOMPS code in AsyncLoading.cpp and memory pooling. Async loading will set PrecacheBuffer to read/only and will never reset it back, expecting ...

When the Transform of InstancedStaticMesh is updated, the Random Seed value of PerInstanceRandom is updated.

When updating Transform of InstancedStaticMesh by UpdateInstanceTransform, PerInstanceRandom used in Material is updated. With 4.16 does not update the RandomSeed value. ...

WebBrowser SetVisibility not working on Android & iOS

SetVisibility not working with Web Browser Widget on mobile devices ...

Foliage is visually missing in HTML5

Foliage is visually missing in HTML5. This is a new issue and does not occur in 4.19, I believe that it may be correlated to this issue here.https://jira.it.epicgames.net/browse/UE-59573 ...

Sequencer: first rendered frame doesn't use AA

"Sequencer: first rendered frame doesn't use AA/motion blur even with a warmup period." ...

Maya Shotgun turntable generation not compatible with Unreal 4.22

Google VR - Pixel Density broken

PixelDensity not changing with Google VR Did not repro on Oculus Go Confirmed in MAIN 4.23 @ CL 6395234 ...

FUniqueNetIdRepl::NetSerialize() crashes when embedded in a TArray() of structs.

Calling the NetSerialize() function of FUniqueNetIdRepl from a custom NetSerialize() causes a crash. This only seems to occur when the struct is part of an array RPC parameter. ...